Yes, the validity of these answers can be verified by multiple sources. Some users will spend hours trying to find the answer to your question, and some people just call up someone who is an expert in the field. There are multiple sources that can be checked to find out if an answer is valid or not, but validity of any answer cannot be fully guaranteed.
We do experiments to find answers to questions, to verify the validity of an answer, to lean how things work and in the scientific method to check if a hypothesis is correct.
There are quite a few ways to verify the validity of a photo on the web. One way is to ask the person who is in the photo.
who checks the validity of any of these answers?
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Yes, car rental places typically verify the validity of your driver's license before renting a car to you.
Contact the court that issued it.
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A hypothesis is tested to verify its validity or not. The more it gives consistent answers by repeated experiments, observations or both, the more valid it is. If it survives the test of repeatability it becomes a theory, and if established as immutable, a law.
smell like curry when you walk into the bank...
A+ None of the answers are correct.
You know nothing about how to use statistical analysis to verify or test validity, do u.
Not necessarily ! There is not guarantee that the person answering a question is actually qualified to give an accurate answer. You should never take any contribution you read here as 'gospel'. Always check any answers with other sources, to check their validity.